ARYA P P. (1982). LABOUR MANAGEMENT RELATIONS IN PUBLIC SECTOR UNDERTAKINGS. DEEP & DEEP PUBLICATIONS.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रARYA P P. LABOUR MANAGEMENT RELATIONS IN PUBLIC SECTOR UNDERTAKINGS. NEW DELHI: DEEP & DEEP PUBLICATIONS, 1982.
एमएलए (9वां संस्करण) प्रशस्ति पत्रARYA P P. LABOUR MANAGEMENT RELATIONS IN PUBLIC SECTOR UNDERTAKINGS. DEEP & DEEP PUBLICATIONS, 1982.
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